#include<iostream>
using namespace std;
union UTest
{
	int a;
	short b;
	char s[16];
	char c;
};
int main()
{
	UTest u;
	cout<<sizeof(u)<<endl;
	memset(&u,0,sizeof(u) );
	u.a=0x61626364;
	cout<<hex<<u.a<<","<<u.b<<","<<u.c<<","<<u.s;
}
